Home / 18,168,578,121.28-27,252,647,960.28-4,721,670,723.64

Finding the Fourth Proportional to 18,168,578,121.28, 27,252,647,960.28 and 4,721,670,723.64

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Solution

The fourth proportional to 18,168,578,121.28, 27,252,647,960.28 and 4,721,670,723.64 is: 7,082,449,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,578,121.28 : 27,252,647,960.28 = 4,721,670,723.64 : x
  2. Step 2: Convert to fraction form
    18,168,578,121.28/27,252,647,960.28 = 4,721,670,723.64/x
  3. Step 3: Cross multiply
    18,168,578,121.28x = 27,252,647,960.28 × 4,721,670,723.64
  4. Step 4: Simplify right side
    18,168,578,121.28x = 128,678,030,015,721,439,232
  5. Step 5: Solve for x
    x = 128,678,030,015,721,439,232/18,168,578,121.28
  6. Step 6: Final answer
    x = 7,082,449,113.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.